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67
external/glm-0.9.9-a2/glm/detail/qualifier.hpp
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external/glm-0.9.9-a2/glm/detail/qualifier.hpp
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/// @ref core
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/// @file glm/detail/qualifier.hpp
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#pragma once
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#include "setup.hpp"
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namespace glm
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{
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/// Qualify GLM types in term of alignment (packed, aligned) and precision in term of ULPs (lowp, mediump, highp)
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enum qualifier
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{
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packed_highp, ///< Typed data is tightly packed in memory and operations are executed with high precision in term of ULPs
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packed_mediump, ///< Typed data is tightly packed in memory and operations are executed with medium precision in term of ULPs for higher performance
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packed_lowp, ///< Typed data is tightly packed in memory and operations are executed with low precision in term of ULPs to maximize performance
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# if GLM_HAS_ALIGNED_TYPE
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aligned_highp, ///< Typed data is aligned in memory allowing SIMD optimizations and operations are executed with high precision in term of ULPs
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aligned_mediump, ///< Typed data is aligned in memory allowing SIMD optimizations and operations are executed with high precision in term of ULPs for higher performance
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aligned_lowp, // ///< Typed data is aligned in memory allowing SIMD optimizations and operations are executed with high precision in term of ULPs to maximize performance
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aligned = aligned_highp, ///< By default aligned qualifier is also high precision
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# endif
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highp = packed_highp, ///< By default highp qualifier is also packed
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mediump = packed_mediump, ///< By default mediump qualifier is also packed
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lowp = packed_lowp, ///< By default lowp qualifier is also packed
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packed = packed_highp, ///< By default packed qualifier is also high precision
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# if GLM_HAS_ALIGNED_TYPE && defined(GLM_FORCE_ALIGNED)
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defaultp = aligned_highp
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# else
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defaultp = highp
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# endif
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};
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template<length_t L, typename T, qualifier Q = defaultp> struct vec;
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template<length_t C, length_t R, typename T, qualifier Q = defaultp> struct mat;
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namespace detail
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{
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template<glm::qualifier P>
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struct is_aligned
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{
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static const bool value = false;
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};
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# if GLM_HAS_ALIGNED_TYPE
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template<>
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struct is_aligned<glm::aligned_lowp>
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{
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static const bool value = true;
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};
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template<>
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struct is_aligned<glm::aligned_mediump>
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{
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static const bool value = true;
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};
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template<>
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struct is_aligned<glm::aligned_highp>
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{
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static const bool value = true;
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};
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# endif
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}//namespace detail
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}//namespace glm
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